Men's Bamboo Boxer Briefs – Bamboo Viscose, Organic Cotton, Horizontal Fly

Ultra-soft men’s bamboo boxer briefs made with 68% viscose from bamboo, 27% organic cotton, and 5% spandex. Designed for breathable everyday comfort, these boxer briefs combine a gently supportive fit with a smooth double-layer pouch, easy-access horizontal fly, and legs designed to stay in place.

PREORDER + AVAILABILITY
Some colors, sizes, and pack options may be available for preorder. Select your size, color, and pack to see current availability before adding to cart.

Why You’ll Love Them

• Soft + breathable: Bamboo-rich jersey has a smooth, soft feel for comfortable everyday wear.
• Supportive without heavy compression: A contoured double-layer pouch gently adjusts for support and comfort.
• Horizontal fly: Functional easy-access fly designed for convenient access and secure coverage.
• Stay-put comfort: Gently snug legs are designed to help reduce riding up and constant adjustments.
• Comfortable waistband: Soft logo waistband with flat-lock stitching provides stretch while helping the waistband stay in place.

Fabric + Construction

Fabric: 68% viscose from bamboo / 27% organic cotton / 5% spandex
Pouch: Smooth, contoured double-layer pouch
Fly: Functional horizontal fly
Waistband: Soft logo waistband with flat-lock stitching
Leg length: Boxer brief style extending to the top of the thigh

Fit + Sizing

Classic American sizing with a gently snug, supportive fit and comfortable stretch.

Size guide:
Medium: 30–34 in
Large: 34–38 in
X-Large: 40–42 in

Additional sizes are available in select colors and pack options. Please use the size and color selectors to see current availability.

Colors + Packs

Available in Black, Steel Blue, Dark Grey, and Cream in select sizes. Choose from Single, 3-Pack, and 5-Pack options where available.

Best For

Everyday wear, work, travel, lounging, sleep, and active days when you want soft, breathable underwear with comfortable support and an easy-access horizontal fly.

Underwear Return Policy

Please note: Due to the intimate nature of this garment, underwear is not returnable. Please review sizing carefully before ordering.

Designed in California

Thoughtfully designed in California and made in China, where bamboo grows.

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Learn more

Free standard shipping on all orders, no minimum; upgraded shipping may cost extra. Easy returns within 30 days of purchase.

Specifications

Type: mens underwear

Brand: Spun Bamboo

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Is this product authentic?

Yes, all products on Buyr are 100% authentic. We work directly with brands and authorized retailers to ensure every item is genuine with full manufacturer warranty.

What is the return policy?

We offer easy 30-day returns on most items. Products must be in original condition with tags attached.